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Water-Year Summary for Site 11478500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
11478500 Van Duzen River near Bridgeville, CA
LOCATION - Lat 40°28'50", long 123°53'23" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.12, T.1 N., R.2 E., Humboldt County, CA, Hydrologic Unit 18010105, Humboldt meridian, on left bank, downstream side of bridge on State Highway 36, 0.9 mi upstream from Grizzly Creek, 5 mi west of Bridgeville, and 18 mi east of Alton (junction of State Highway 36 and U.S. Highway 101).
DRAINAGE AREA - 222 mi².
REVISIONS HISTORY - WSP 1735: Drainage area.
PERIOD OF RECORD - October 1950 to current year. 
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 358.18 ft above NGVD of 1929. Prior to Oct. 1, 1965, at site 2.4 mi upstream at different datum.
REMARKS - No storage or large diversion upstream from station. See schematic diagram of Eel River Basin available from the California Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Peak of Jan. 21, 1943, had a discharge estimate of 22,900 ft³/s, based on method in WRI 77-21.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 48,700 ft³/s, Dec. 22, 1964, gage height, 24.0 ft, from floodmarks, present site and datum, from rating curve extended above 20,000 ft³/s, on basis of slope-area measurement at gage height 21.3 ft, former site and datum; minimum daily, 1.8 ft³/s, Sept. 12-16, 2014.

CHEMICAL DATA: Water years 1955, 1956 to Sept. 1958 (partial-record station), 1959-1980.
SEDIMENT DATA: Water years 1955-1967 (partial-record station), 1998 .
TURBIDITY: Water years 1964-1967 (partial-record station).

WATER TEMPERATURE: Water years December 1960 to 1979.